package com.blak.black.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.blak.black.common.R;
import com.blak.black.entity.User;
import com.blak.black.service.UserService;
import com.blak.black.utils.SMSUtils;
import com.blak.black.utils.ValidateCodeUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpSession;
import java.util.Map;
import java.util.concurrent.TimeUnit;

@RestController
@RequestMapping("/user")
@Slf4j
public class Usercontroller {
    @Autowired
    private UserService userService;
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 发送手机验证码
     * @param user
     * @param session
     * @return
     */
    @PostMapping("/sendMsg")
    public R<String> sendMsg(@RequestBody User user, HttpSession session){
        //获取手机号
        String phone = user.getPhone();
        if(StringUtils.isNotEmpty(phone)){
            //生成随机的4位验证码
            String code = ValidateCodeUtils.generateValidateCode(4).toString();

            log.info(code);

            //调用阿里云提供的短信服务API完成发送短信
            //SMSUtils.sendMessage("blak外卖","",phone,code);

            //将生成的验证码保存到Session
            //session.setAttribute(phone,code);

            //将验证码保存到redis
            redisTemplate.opsForValue().set(phone,code,5, TimeUnit.MINUTES);
            return R.success("手机验证码短信发送成功");

        }
        return R.error("短信发送失败");
    }

    @PostMapping("/login")
    public R<User> login(@RequestBody Map map,HttpSession session){
        log.info(map.toString());
        //获取手机号
        String phone = map.get("phone").toString();

        //获取验证码
        String code = map.get("code").toString();

        //从session中保存获取的验证码
        //Object codeInSession = session.getAttribute(phone);

        //从redis中获取验证码
        Object codeInSession =  redisTemplate.opsForValue().get(phone);

        //进行验证码的比对
        if(codeInSession!=null && codeInSession.equals(code)){
            LambdaQueryWrapper<User> queryWrapper = new LambdaQueryWrapper<>();
            queryWrapper.eq(User::getPhone,phone);

            User user = userService.getOne(queryWrapper);
            if(user==null){
                //判断当前手机号是否为新用户，是则自动注册
                user = new User();
                user.setPhone(phone);
                user.setStatus(1);
                userService.save(user);
            }
            session.setAttribute("user",user.getId());
            //登陆成功，删除redis中的验证码
            redisTemplate.delete(phone);
            return R.success(user);
        }
        return R.error("登陆失败");
    }

}
